private Map<String, Object> discoverAndSetParameters(
IReportRunnable report, HttpServletRequest request) throws Throwable {
Map<String, Object> parms = new HashMap<String, Object>();
IGetParameterDefinitionTask task = birtEngine.createGetParameterDefinitionTask(report);
@SuppressWarnings("unchecked")
Collection<IParameterDefnBase> params = task.getParameterDefns(true);
for (IParameterDefnBase param : params) {
Assert.isInstanceOf(
IScalarParameterDefn.class,
param,
"the parameter must be assignable to " + IScalarParameterDefn.class.getName());
IScalarParameterDefn scalar = (IScalarParameterDefn) param;
if (this.reportParameters != null && this.reportParameters.get(param.getName()) != null) {
String format = scalar.getDisplayFormat();
// todo will this step on the Spring MVC converters?
ReportParameterConverter converter =
new ReportParameterConverter(format, request.getLocale());
Object value = this.reportParameters.get(param.getName());
parms.put(param.getName(), value);
// /* converter.parse(*/ this.reportParameters.get(param.getName()),
// scalar.getDataType()/*)*/);
} else if (StringUtils.hasText(getParameter(request, param.getName()))) {
parms.put(param.getName(), getParamValueObject(request, scalar));
}
}
task.close();
return parms;
}
@SuppressWarnings("unchecked")
private void prepareReportParams(RptProperties properties) {
externalParams = new HashSet<String>();
reportParams =
new LinkedHashMap<
String,
ReportParameter>(); // use LinkedHashMap
// http://issues.m-g.ru/bugzilla/show_bug.cgi?id=4577
IGetParameterDefinitionTask paramTask = engine.createGetParameterDefinitionTask(design);
try {
Collection<IParameterDefnBase> paramsC = paramTask.getParameterDefns(true);
for (IParameterDefnBase param : paramsC) {
if (param instanceof IParameterGroupDefn)
addGroupReportParameter(
properties, param.getName(), (IParameterGroupDefn) param, paramTask);
else if (param instanceof IScalarParameterDefn)
addReportParameter(
properties,
param.getName(),
(IScalarParameterDefn) param,
null,
paramTask.getDefaultValue(param));
}
} finally {
paramTask.close();
}
/*
* BIRT не даёт работать с поименованными параметрами, приходится
* обходить
*/
List<DataSetHandle> dshL =
(List<DataSetHandle>) design.getDesignHandle().getModuleHandle().getAllDataSets();
for (DataSetHandle dsH : dshL) {
if (dsH instanceof OdaDataSetHandle
&& MERP_DATASET_ID.equals(((OdaDataSetHandle) dsH).getExtensionID())) {
ArrayList<String> paramNames = new ArrayList<String>();
ArrayList<DataSetParameter> prms =
(ArrayList<DataSetParameter>) dsH.getListProperty("parameters");
if (prms != null) {
for (DataSetParameter prm : prms) paramNames.add(prm.getName());
datasetParams.put(dsH.getStringProperty(BAI_CODE), paramNames);
}
}
}
// *********************************************************//
}